Advanced coal conversion process demonstration. Technical progress report, April 1--June 30, 1996

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Description

This project demonstrates an advanced, thermal, coal upgrading process, coupled with physical cleaning techniques, that is designed to upgrade high moisture, low rank coals to a high quality, low sulfur fuel, registered as the SynCoal{reg_sign} process. The coal is processed through three stages (two heating stages followed by an inert cooling stage) of vibrating fluidized bed reactors that remove chemically bound water, carboxyl groups, and volatile sulfur compounds. After thermal upgrading, the coal is put through a deep bed stratifier cleaning process to separate the pyrite rich ash from the coal. The SynCoal process enhances low rank, western coals, usually ... continued below

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47 p.

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Creator: Unknown. October 1, 1997.

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Description

This project demonstrates an advanced, thermal, coal upgrading process, coupled with physical cleaning techniques, that is designed to upgrade high moisture, low rank coals to a high quality, low sulfur fuel, registered as the SynCoal{reg_sign} process. The coal is processed through three stages (two heating stages followed by an inert cooling stage) of vibrating fluidized bed reactors that remove chemically bound water, carboxyl groups, and volatile sulfur compounds. After thermal upgrading, the coal is put through a deep bed stratifier cleaning process to separate the pyrite rich ash from the coal. The SynCoal process enhances low rank, western coals, usually with a moisture content of 25 to 55 percent, sulfur content of 0.5 to 1.5 percent, and heating value of 5,500 to 9,000 Btu/lb, by producing a stable, upgraded, coal product with a moisture content as low as 1 percent, sulfur content as low as 0.3 percent, and heating value up to 12,000 Btu/lb. The 45 ton per hour unit is located adjacent to a unit train load out facility at Western Energy Company`s Rosebud coal mine near Colstrip, Montana. The demonstration plant is sized at about one-tenth the projected throughput of a multiple processing train commercial facility. During this report period the primary focus has been to continue the operation of the demonstration facility. Production has been going to area power plants. Modifications and maintenance work was also performed this quarter.

Physical Description

47 p.

Notes

OSTI as DE98051921

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  • Other Information: PBD: Oct 1997

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  • Other: DE98051921
  • Report No.: DOE/PC/89664--T19
  • Grant Number: FC22-90PC89664
  • DOI: 10.2172/671854 | External Link
  • Office of Scientific & Technical Information Report Number: 671854
  • Archival Resource Key: ark:/67531/metadc708024

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  • October 1, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 10, 2015, 8:23 p.m.

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Advanced coal conversion process demonstration. Technical progress report, April 1--June 30, 1996, report, October 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc708024/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.